A329330 - cp's OEIS frontend

A329330 Multiplication operation of a ring over the positive integers that has A059897(.,.) as addition operation and is isomorphic to GF(2)[x] with polynomial x^i mapped to A050376(i+1). Square array read by descending antidiagonals: A(n,k), n >= 1, k >= 1.

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	4
14	4
15	1
16	1
17	5
18	5
19	5
20	5
21	1
22	1
23	6
24	7
25	7
26	7
27	6
28	1
29	1
30	7
31	12
32	9
33	9
34	12
35	7
36	1
37	1
38	8
39	9
40	20
41	11
42	20
43	9
44	8
45	1
46	1
47	9
48	15
49	11
50	35
51	35
52	11
53	15
54	9
55	1
56	1
57	10
58	11
59	28
60	13
61	8
62	13
63	28
64	11
65	10
66	1
67	1
68	11
69	21
70	13
71	45
72	63
73	63
74	45
75	13
76	21
77	11
78	1

[1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 4, 4, 1, 1, 5, 5, 5, 5, 1, 1, 6, 7, 7, 7, 6, 1, 1, 7, 12, 9, 9, 12, 7, 1, 1, 8, 9, 20, 11, 20, 9, 8, 1, 1, 9, 15, 11, 35, 35, 11, 15, 9, 1, 1, 10, 11, 28, 13, 8, 13, 28, 11, 10, 1, 1, 11, 21, 13, 45, 63, 63, 45, 13, 21, 11, 1]

cp's OEIS Frontend

A329330 Multiplication operation of a ring over the positive integers that has A059897(.,.) as addition operation and is isomorphic to GF(2)[x] with polynomial x^i mapped to A050376(i+1). Square array read by descending antidiagonals: A(n,k), n >= 1, k >= 1.

Table of values

List of values

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	4
14	4
15	1
16	1
17	5
18	5
19	5
20	5
21	1
22	1
23	6
24	7
25	7
26	7
27	6
28	1
29	1
30	7
31	12
32	9
33	9
34	12
35	7
36	1
37	1
38	8
39	9
40	20
41	11
42	20
43	9
44	8
45	1
46	1
47	9
48	15
49	11
50	35
51	35
52	11
53	15
54	9
55	1
56	1
57	10
58	11
59	28
60	13
61	8
62	13
63	28
64	11
65	10
66	1
67	1
68	11
69	21
70	13
71	45
72	63
73	63
74	45
75	13
76	21
77	11
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	4
14	4
15	1
16	1
17	5
18	5
19	5
20	5
21	1
22	1
23	6
24	7
25	7
26	7
27	6
28	1
29	1
30	7
31	12
32	9
33	9
34	12
35	7
36	1
37	1
38	8
39	9
40	20
41	11
42	20
43	9
44	8
45	1
46	1
47	9
48	15
49	11
50	35
51	35
52	11
53	15
54	9
55	1
56	1
57	10
58	11
59	28
60	13
61	8
62	13
63	28
64	11
65	10
66	1
67	1
68	11
69	21
70	13
71	45
72	63
73	63
74	45
75	13
76	21
77	11
78	1

n	a(n)
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	3
9	3
10	1
11	1
12	4
13	4
14	4
15	1
16	1
17	5
18	5
19	5
20	5
21	1
22	1
23	6
24	7
25	7
26	7
27	6
28	1
29	1
30	7
31	12
32	9
33	9
34	12
35	7
36	1
37	1
38	8
39	9
40	20
41	11
42	20
43	9
44	8
45	1
46	1
47	9
48	15
49	11
50	35
51	35
52	11
53	15
54	9
55	1
56	1
57	10
58	11
59	28
60	13
61	8
62	13
63	28
64	11
65	10
66	1
67	1
68	11
69	21
70	13
71	45
72	63
73	63
74	45
75	13
76	21
77	11
78	1